ateliers55/user/themes/ateliers-55/templates/partials/nav.html.twig

<nav>
    <ul>
        <li>
            <a href="#" onClick="toggleAbout()">à propos</a>
        </li>
        <li>
            <a href="{{ base_url }}/contact">contact</a>
        </li>
        <li>
            <a href="{{ base_url }}/mentions-legales">mentions légales</a>
        </li>
    </ul>
</nav>